CN103491283B - Infrared dome camera - Google Patents
Infrared dome camera Download PDFInfo
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- CN103491283B CN103491283B CN201210189755.1A CN201210189755A CN103491283B CN 103491283 B CN103491283 B CN 103491283B CN 201210189755 A CN201210189755 A CN 201210189755A CN 103491283 B CN103491283 B CN 103491283B
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- 230000008859 change Effects 0.000 claims description 6
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- 230000010354 integration Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Closed-Circuit Television Systems (AREA)
Abstract
The invention relates to an infrared dome camera comprising an integrated core and an infrared lighting unit matched with the integrated core. The integrated core is capable of automatically focusing on at least two positions at different distances. The infrared dome camera further comprises a master control unit and a light-emitting angle adjusting unit. The master control unit is used for obtaining the focal length information when the integrated core focuses at any one of the at least two positions at different distances, outputting a control signal to the light-emitting angle adjusting unit according to the focal length information and controlling the light-emitting angle adjusting unit to adjust the light-emitting angle of the infrared lighting unit.
Description
Technical field
The present invention relates to security monitoring field, more particularly, it relates to a kind of video camera.
Background technology
In closed-circuit TV monitoring system construction, currently on the market many video cameras generally can well solve daytime
Monitoring demand, and numerous video cameras also all have significant progress at the aspect such as horizontal resolution and color rendition.But,
When ambient light illumination becomes very low or without in the case of illumination, is wanting to make cameras capture to the figure for meeting monitoring demand completely
As just becoming relatively difficult.If taking the method for strengthening white-light illuminating solving, substantial amounts of power consumption can cause resource flow
Cost of becoming estranged increases, meanwhile, increase ambient lighting and be unprofitable to the hidden of monitoring device, it might even be possible to remind those there are malicious intentions
Person avoids effective monitoring range, implements misconduct or criminal activity.Therefore, industry is redesigned outside clipping the ball shell
See, on traditional high-speed ball camera product LED infrared illuminators are also loaded onto, it is using extensive infrared to be developing progressively
Ball-shaped camera.
But although with the continuous upgrading of infrared lamp, the night surveillance distance of infrared ball type camera is more and more remote,
It is that corresponding bottleneck problem is not also addressed always.For example, the Infrared projection part of infrared ball type camera wants to obtain
Obtain and clearly draw at a distance, then must sacrifice angular field of view（Monitor angular range）；And want to obtain larger monitoring angle model
When enclosing, then monitoring distance must be sacrificed.
In order to solve this problem, correlation technique takes two groups to four groups different angle collecting lenses in design with group
Into two groups of infrared lamps to four groups of different focals, distance is divided into four grades by this two groups of infrared lamps to four groups of different focals
Switch over.The advantage of this kind of scheme：Only have a kind of focal length only to meet a kind of projection distance and angle phase during with only one group of lamp
Than it has four grades.It is but it yet suffers from shortcoming, for example, actual to only have two to four focal lengths optional, it is impossible to accomplish arbitrary
Focus on apart from upper equal energy, thus waste angular field of view and light source；Simultaneously infrared lamp quantity is excessive, waste of resource, Er Qieyou
It is too big in many caloric values of infrared lamp, the rising of infrared ball type camera internal temperature is easily caused, to electricity in infrared ball type camera
The normal operation of sub- components and parts constitutes a threat to.
The content of the invention
The technical problem to be solved in the present invention is, for correlation technique in above-mentioned deficiency, there is provided it is a kind of improved red
Outer ball-shaped camera.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of outer ball-shaped camera, including one
Change the infrared illumination unit that movement and movement integrated with this are engaged, the integrated movement can be autofocusing at least
On the position of two different distances；The infrared ball type camera also includes main control unit and rising angle adjustment unit, described
When main control unit focuses on any position in the position of at least two different distance for obtaining the integrated movement
Focus information, and give the rising angle adjustment unit according to the focus information output control signal, control the beam angle
Degree adjustment unit adjusts the rising angle of the infrared illumination unit.
In infrared ball type camera of the present invention, the infrared ball type camera also includes driver element, for driving
Move the integrated movement to switch at least two control points, at least two control point is respectively with described at least two not
The position correspondence of same distance.
In infrared ball type camera of the present invention, the infrared ball type camera also includes memory element, the storage
Unit is connected with the main control unit, for storing presetting bit information.
In infrared ball type camera of the present invention, the presetting bit information includes at least two control point
The time of staying information and cruise order information of positional information, the integrated movement on each control point.
In infrared ball type camera of the present invention, the main control unit is according to the institute stored in the memory element
Positional information, the time of staying information and the cruise order information output control signal of at least two control points are stated to described
Driver element, controls the driver element and drives the integrated movement to be patrolled automatically at least two control point
Boat；The infrared ball type camera also includes peripheral hardware control unit, for writing at least two prison toward the memory element
Time of staying information and/or cruise order information of the positional information, the integrated movement of control point on each control point.
In infrared ball type camera of the present invention, the main control unit focuses on institute according to the integrated movement
Object that the focus information in any position calculated in any position is stated to the distance of the integrated movement and this is arbitrary
The corresponding field range in position, further according to the distance and the field range size of desired rising angle, Ran Hougen are calculated
The rising angle adjustment unit is given according to the size output control signal of desired rising angle, the rising angle is controlled and is adjusted single
The rising angle of the infrared illumination unit is adjusted to the desired rising angle by unit.
In infrared ball type camera of the present invention, the infrared ball type camera also includes brightness adjusting unit, institute
When stating main control unit and focusing on any position in the position of at least two different distance always according to the integrated movement
Focus information output control signal give the brightness adjusting unit, control the brightness adjusting unit and adjust the infrared illumination
The brightness of unit, the brightness for making the infrared illumination unit matches with being actually needed.
In infrared ball type camera of the present invention, the infrared illumination unit is LED infrared illumination units, described
Brightness adjusting unit is current regulation unit.
In infrared ball type camera of the present invention, the infrared illumination unit is LED infrared illumination units, its bag
Include multiple LED infrared light supplies.
In infrared ball type camera of the present invention, the infrared illumination unit include with light source lamp plate and
The collecting lenses being engaged with lamp plate, the rising angle adjustment unit system is by the control lamp plate and the collecting lenses
Closer or far from adjusting the rising angle of the infrared illumination unit.
The invention has the beneficial effects as follows：Compared with correlation technique, infrared illumination unit is in office under the control of main control unit
One apart from it is upper it is equal can in real time focus on integrated movement, saved angular field of view and light source, reduce infrared illumination unit
Quantity.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the functional-block diagram of the infrared ball type camera in some embodiments of the invention.
Fig. 2 is the structural representation of the collecting lenses of the infrared ball type camera in some embodiments of the invention.
Fig. 3 is the infrared illumination unit of the infrared ball type camera in some embodiments of the invention under the first rising angle
Fundamental diagram.
Fig. 4 is the infrared illumination unit of the infrared ball type camera in some embodiments of the invention under the second rising angle
Fundamental diagram.
Fig. 5 is the infrared illumination unit of the infrared ball type camera in some embodiments of the invention under the 3rd rising angle
Fundamental diagram.
Specific embodiment
The present invention is described in further details below in conjunction with specific embodiment and Figure of description.
Fig. 1 shows the infrared ball type camera 1 in some embodiments of the invention, and the infrared ball type camera 1 can be applied
In closed-circuit TV monitoring system, it may include main control unit 10, integrated movement 20, infrared illumination unit 50 and beam angle
Degree adjustment unit 60.Integrated movement 20 can be autofocusing at the position of two or more different distances（For example, 2 ~
256 diverse locations）On, to provide two or more different monitoring distances.Infrared illumination unit 50 with it is integrated
Movement 20 is engaged（For example, infrared illumination unit 50 is distributed in around the camera lens of integrated movement 20）, in night or light
The integrated movement 20 in the weaker place of line provides infrared illumination.Rising angle adjustment unit 60 is used for integrated movement 20
Adjust the rising angle of infrared illumination unit 50 so that infrared illumination unit 50 can be focused in real time in arbitrary distance, save
Angular field of view, while the quantity of infrared illumination unit 50 can also be reduced, reduces caloric value.
In certain embodiments, integrated movement 20 can also focus it on above-mentioned two or it is plural it is different away from
From position in any position when focus information send main control unit 10 to.Main control unit 10 is according to the focus information output
One control signal provides angular adjustment unit 60, controls rising angle adjustment unit 60 and adjusts going out for infrared illumination unit 50
Angular so that the rising angle of infrared illumination unit 50 matches with the focal length of integrated movement 20.For example, main control unit 10
First the focus information in any position is focused on according to integrated movement 20, calculate the object center in any position
To the distance and corresponding field range of integrated movement 20, further according to the distance and the field range calculate it is desired go out light
Angle（The light shape that i.e. the infrared illumination unit 50 with the rising angle is formed in any position just with the field range phase
Matching, for example, illuminates the whole field range just）Size, then control rising angle adjustment unit 60 by infrared illumination list
The rising angle of unit 50 is adjusted to the desired rising angle, such that it is able to reduce the loss of light.It is to be appreciated that on
The light shape stated is matched with field range, refers to that both is equal in magnitude or close, specifically can be set as needed.
In certain embodiments, rising angle adjustment unit 60 can be the drive mechanism that motor drives, and it is by driving
Lamp plate 51 with light source 52 is relative to fixed collecting lenses 53 closer or far from realizing going out for infrared illumination unit 50
The regulation of angular, enable Infrared formed light shape in real time with different monitoring distance and different size of thing
Body 2 matches.
Fig. 2 shows the collecting lenses 53 in some embodiments, as illustrated, the entirety of collecting lenses 53 is in horn-like,
It can be made using optically transparent material, and including an indent cylindricality incidence surface 531 it is relative with incidence surface 531 go out light
Face 533 and the reflecting surface 532 positioned at sidepiece.Reflecting surface 532 is cup-shaped, for the high angle scattered light of light source 52 to be reflexed to out
Bright finish 533, to prevent or reduce the loss of light.Exiting surface 55 includes that one is located at middle part convex spherical and positioned at convex spherical week
Cancave cambered surface is enclosed, the light for sending light source 52 is converged towards middle part, reduces the rising angle of infrared illumination unit 50, and makes light
Line distribution is relatively uniform.As shown by the dash line in figure 2, when light source 52 and collecting lenses 53 center away from when, light is through poly-
More concentrate after optical lens 53 so that the rising angle of infrared illumination unit 50 reduces.It follows that by adjusting light source 52
Position in the chamber formed by incidence surface 531, namely light source 52 is adjusted to the centre distance of collecting lenses 53, thus it is possible to vary
Rising angle of the light after collecting lenses 53.Fig. 3 ~ Fig. 5 shows going out for some embodiment mid-infrared lighting units 50
The situation that angular changes.
As shown in figure 3, work as on some control point of integrated movement 20, during the closer to the distance and larger size of object 2,
Integrated movement 20 sends focal length when focusing on object 2 to main control unit 10, and main control unit 10 is according to the focus information
The desired rising angle A of infrared illumination unit 50 is calculated, on the desired rising angle A, light can irradiate just
To whole object 2；Then output control signal provides angular adjustment unit 60, and control rising angle adjustment unit 60 drives lamp
Plate 51 is abutted with collecting lenses 53 so that the rising angle of infrared illumination unit 50 becomes equal with desired rising angle A, and energy
It is enough to be irradiated to whole object 2 just.
As shown in figure 4, when on another control point of integrated movement 20, the distance of object 3 widen and object 3 chi
When very little less, focal length when integrated movement 20 is focused on object 3 can change, and correspondingly, main control unit 10 is calculated
Desired rising angle B also change, promote rising angle adjustment unit 60 drive lamp plate 51 and collecting lenses 53 away from
To apart from d1 so that rising angle reduces, until it is equal with desired rising angle B, and whole object 3 can just be irradiated to
On.
The like, as shown in figure 5, when on another control point of integrated movement 20, the distance of object 4 is further
When widening, rising angle adjustment unit 60 will drive lamp plate 51 with collecting lenses 53 further away from each other to apart from d2 so that go out light
Angle further reduces, until with desired rising angle C, also just focus in whole object 2.
It is to be appreciated that in certain embodiments, it is the change of the rising angle for realizing infrared illumination unit 50, it is also possible to
The another position of lamp plate 51 is fixed, and collecting lenses 53 can be moved relative to lamp plate.Again it is to be appreciated that in certain embodiments, also may be used
The regulation of the rising angle of infrared illumination unit 50 is realized to change focal length lamp form by variable focus lens package.
In certain embodiments, the infrared ball type camera 1 may also include driver element 30, and the driver element 30 is used to drive
Movement and motor-driven integrative movement 20 is switched on two or more control points.Two or more control point difference
From above-mentioned two or plural different monitoring apart from corresponding, namely there is oneself corresponding monitoring each control point
Distance.In certain embodiments, above-mentioned two or plural control point are in distributed in three dimensions, are that this driver element 30 needs energy
Enough to drive integrated movement 20 both horizontally and vertically rotate, now, driver element 30 can be adopted includes water
The vertically and horizontally rotation machinery of flat motor and vertical motor.
In certain embodiments, the infrared ball type camera 1 may also include memory element 40, the memory element 40 and master control
Unit 10 is connected, for storing presetting bit information, for example, the positional information of storage above-mentioned two or plural control point,
Time of staying information and cruise order information etc..Main control unit 10 can be defeated according to the above- mentioned information stored in memory element 40
Go out control signal to driver element 30, control driver element 30 drives integrated movement 20 in above-mentioned two or plural prison
Automatic cruising is carried out on control point.
In certain embodiments, the infrared ball type camera 1 may also include brightness adjusting unit 70, brightness adjusting unit 70
It is connected with main control unit 10, for the brightness of real-time control infrared illumination unit 50.Specifically control method can be：Main control unit 10
The focal length letter during any position in the position of above-mentioned two or two or more different distance is focused on according to integrated movement 20
Breath output control signal correspondingly adjusts the brightness of infrared illumination unit 50 to brightness adjusting unit 70, makes infrared illumination unit
50 brightness matches with being actually needed, and prevents overexposure phenomenon.
In certain embodiments, the infrared ball type camera 1 may also include peripheral hardware control unit 80, the peripheral hardware control unit
80 be used to writing toward memory element 40 or aid in writing the positional information of above-mentioned two or plural control point, each
Time of staying information and cruise order information on control point, to adapt to the demand of different occasions.Peripheral hardware control unit 80 exists
Can be the control devices such as external connection keyboard/DVR in some embodiments.
With reference to the operation principle of infrared ball type camera 1, the present invention will be further described.
Infrared ball type camera 1 in the course of the work, mainly comprises the steps：
（1）Presetting bit is set, that is, arranging integrated movement 20 needs the control point of monitoring, and integrated movement 20 to reach
The time of staying and cruise order during the control point；
（2）Integrated movement 20 is cruised according to the preset control point and cruise order information for setting；:Or by outer
If control unit directly invokes presetting bit；
（3）When integrated movement 20 reaches each preset control point, while corresponding focus information is sent to master control list
Unit 10.
（4）Main control unit 10 is adjusted according to the focus information from integrated movement 20, control rising angle adjustment unit 60
The focal length of section infrared illumination unit 50, the focal length for making outer lighting unit 50 matches with the focal length of integrated movement 20.
（5）Main control unit 10 adjusts red according to the focus information from integrated movement 20, control brightness adjusting unit 70
The brightness of outer lighting unit 50, makes mutually to be equipped with actual infrared demand with the brightness of infrared illumination unit 50.
In certain embodiments, infrared illumination unit 50 can be LED infrared illuminators, and multiple light are provided with lamp plate 51
Source 52, for example, six or more than six light sources 52 arranged in arrays, correspondingly, each light source 52 is correspondingly arranged one and gathers
Optical lens 53.In certain embodiments, the infrared ball type camera 1 can be infrared high-speed ball-type video camera, or it is infrared
Low speed ball-shaped camera or infrared moderate-speed ball-type video camera.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Also should be regarded as protection scope of the present invention.
Claims (6)
1. the infrared illumination list that a kind of infrared ball type camera, including integrated movement and movement integrated with this are engaged
Unit, the integrated movement can be autofocusing on the position of at least two different distances, it is characterised in that the infrared ball-type
Video camera also includes main control unit and rising angle adjustment unit, and the main control unit gathers for obtaining the integrated movement
Focus information during burnt any position in the position of at least two different distance, and according to focus information output control
Signal processed gives the rising angle adjustment unit, controls the rising angle adjustment unit and adjusts going out for the infrared illumination unit
Angular；
The infrared ball type camera also includes driver element, for driving the integrated movement to cut at least two control points
Change, at least two control point is corresponding with the position of at least two different distance respectively；
The infrared ball type camera also includes memory element, and the memory element is connected with the main control unit, preset for storing
Position information；
The presetting bit information includes that the positional information of at least two control point, the integrated movement are monitored at each
Time of staying information and cruise order information on point；The main control unit according in the memory element storage described in extremely
Less the positional information of two control points, the time of staying information and cruise order information output control signal give the driving
Unit, controls the driver element and drives the integrated movement to carry out automatic cruising at least two control point；
The infrared illumination unit includes the lamp plate with light source and the collecting lenses being engaged with lamp plate, the rising angle
Adjustment unit system is by the control lamp plate and the collecting lenses closer or far from adjusting the infrared illumination unit
Rising angle, the collecting lenses are integrally in horn-like, and the cylindricality incidence surface including an indent relative with incidence surface goes out
Bright finish and the reflecting surface positioned at sidepiece, reflecting surface is cup-shaped, for the high angle scattered light of light source to be reflexed to into exiting surface, goes out light
Face includes that is located at middle part convex spherical and a cancave cambered surface around convex spherical, and the light for sending light source converges towards middle part
It is poly-, reduce the rising angle of infrared illumination unit.
2. infrared ball type camera according to claim 1, it is characterised in that the infrared ball type camera also includes peripheral hardware
Control unit, for writing at least two prison on an integrated movement control point in office toward the memory element
Time of staying information and/or cruise order information of the positional information, the integrated movement of control point on each control point.
3. infrared ball type camera according to claim 1, it is characterised in that the main control unit is according to the integration
Movement focuses on the focus information in any position, calculates the object center in any position to the integral machine
The distance of core and corresponding field range, further according to the distance and the field range size of desired rising angle is calculated,
Then the rising angle adjustment unit is given according to the size output control signal of desired rising angle, controls the rising angle
The rising angle of the infrared illumination unit is adjusted to the desired rising angle by adjustment unit.
4. the infrared ball type camera according to any one of claim 1-3, it is characterised in that the infrared ball type camera is also
Including brightness adjusting unit, the main control unit focuses at least two different distance always according to the integrated movement
Focus information output control signal during any position in position gives the brightness adjusting unit, controls the brightness regulation list
Unit adjusts the brightness of the infrared illumination unit, and the brightness for making the infrared illumination unit matches with being actually needed.
5. infrared ball type camera according to claim 4, it is characterised in that the infrared illumination unit is that LED is infrared
Lighting unit, the brightness adjusting unit is current regulation unit.
6. the infrared ball type camera according to any one of claim 1-3, it is characterised in that the infrared illumination unit is
LED infrared illumination units, it includes multiple LED infrared light supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210189755.1A CN103491283B (en) | 2012-06-11 | 2012-06-11 | Infrared dome camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210189755.1A CN103491283B (en) | 2012-06-11 | 2012-06-11 | Infrared dome camera |
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| Publication Number | Publication Date |
|---|---|
| CN103491283A CN103491283A (en) | 2014-01-01 |
| CN103491283B true CN103491283B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210189755.1A Expired - Fee Related CN103491283B (en) | 2012-06-11 | 2012-06-11 | Infrared dome camera |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135626A (en) * | 2014-07-31 | 2014-11-05 | 天津市亚安科技股份有限公司 | Device and method for automatically adjusting auxiliary lighting equipment |
| CN104580936A (en) * | 2015-01-20 | 2015-04-29 | 华为技术有限公司 | Infrared night vision device, control method and control device |
| CN109286740A (en) * | 2018-09-26 | 2019-01-29 | Tcl-罗格朗国际电工（惠州）有限公司 | Infrared LED lamp and infrared camera |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800851A (en) * | 2010-03-23 | 2010-08-11 | 福州开发区鸿发光电子技术有限公司 | Intelligent high-speed ball with built-in variable-angle infrared illumination system |
| CN102223522A (en) * | 2011-05-20 | 2011-10-19 | 杭州数尔电子有限公司 | Intelligent automatic tracker module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201812123U (en) * | 2010-07-30 | 2011-04-27 | 胡团 | Infrared dome camera |
| CN202268948U (en) * | 2011-08-19 | 2012-06-06 | 罗普特（厦门）科技集团有限公司 | Infrared intelligent high-speed ball structure |
| CN202206460U (en) * | 2011-08-23 | 2012-04-25 | 上海国际技贸联合有限公司 | Digital ball machine with heartbeat function |
| CN202998266U (en) * | 2012-06-11 | 2013-06-12 | 旗瀚科技有限公司 | Infrared ball-type camera |
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- 2012-06-11 CN CN201210189755.1A patent/CN103491283B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800851A (en) * | 2010-03-23 | 2010-08-11 | 福州开发区鸿发光电子技术有限公司 | Intelligent high-speed ball with built-in variable-angle infrared illumination system |
| CN102223522A (en) * | 2011-05-20 | 2011-10-19 | 杭州数尔电子有限公司 | Intelligent automatic tracker module |
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